Incombustible composition for fire door/wall, fire door/wall using incombustible composition, and method of producing fire door/wall
a technology of incombustible composition and fire door, which is applied in the direction of antifouling/underwater paint, solid waste management, natural mineral layered products, etc., can solve the problems of inability to enable the steel door to be subjected to various finishing treatment processes processability, and limited appearance of steel doors, etc., to achieve environmental protection, poor heat-intercepting property, and excellent hardness and water resistance. , the effect o
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[0079]A fly ash or bottom ash (b), a fire-proofing agent (c), and a curing fire-retardant resin (d) were mixed with each other in a mixing ratio as described in the following Table 1 using a mixer after they were weighed with the use of a measuring system. Subsequently, an organic or inorganic fiber (a) was added into a mixture, and uniformly mixed with the mixture while the resulting mixture was shattered using a super mixer (Hensel). An incombustible hollow filler (e) was then added into the resulting mixture. At this time, the mixing was conducted using air for ten minutes to prevent the properly shattered component (a) from being agglomerated. The resulting composition was stored in a storage tank before a second pressing process was conducted.
[0080]The resulting composition was then pressed using a high pressure hot press (about 1,000 tons) at about 150° C. for about 30 min to produce incombustible boards, each having a thickness of 35 m / m and a size of 900 mm×2100 mm. Physical...
experimental example 1
[0091]A board of the example 1 as described in the Table 1, and a square timber of the example 3 were used to construct a frame of a fire door, a core material made of ceramic wool was embedded in the fire door, and plywood was attached to any one side of the fire door to accomplish the incombustible fire door with a thickness of 35 m / m and a size of 900 mm×2100 mm. The incombustible fire door was tested for fire according to KS F2257 in Korea Institute of Construction Technology. In this regard, the incombustible fire door was subjected to a first-grade fire door test for 1 hour, and stood the fire test as described in the following Table 3.
[0092]
TABLE 3Physical properties of the incombustible fire door including the board,square timber, and core materialPhysical properties of theComposition (wt %)construction product1(a)2(b)3(c)4(d)5(e)6Ceram.7Shap.8Fire9Fire res.10Subm.11TestBoard70105105—Door1stIncombustibleStablePassgradeSquare5015151010—1stIncombustibleStabletimbergradeCore———...
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